The starting point of our stomach has a valve known as sphincter. This valve becomes closed after passage of food. In some situations, this valve fails to close. Then the acid returns back to esophagus. This condition is known as acid reflux. The affected person has chest pain accompanied by a burning sensation. You should avoid eating big meals. Don’t sleep after eating food. Control weight to prevent obesity. Citrus foods, garlic and onion are known to cause this problem. Foods that contain high amount of fat and spices worsen the problem of acid reflux. We will give you more information about this condition. Following are the 10 things you should know about avoiding acid reflux.